EP0461940B1 - Ink jet recording apparatus and driving method therefor - Google Patents
Ink jet recording apparatus and driving method therefor Download PDFInfo
- Publication number
- EP0461940B1 EP0461940B1 EP91305470A EP91305470A EP0461940B1 EP 0461940 B1 EP0461940 B1 EP 0461940B1 EP 91305470 A EP91305470 A EP 91305470A EP 91305470 A EP91305470 A EP 91305470A EP 0461940 B1 EP0461940 B1 EP 0461940B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ink
- resistance element
- flow resistance
- passage
- recording head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04525—Control methods or devices therefor, e.g. driver circuits, control circuits reducing occurrence of cross talk
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04541—Specific driving circuit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04543—Block driving
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04573—Timing; Delays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/0458—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on heating elements forming bubbles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/055—Devices for absorbing or preventing back-pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2002/14403—Structure thereof only for on-demand ink jet heads including a filter
Abstract
Description
Nozzles | Backward impedance (KPa µS/(µm)3 | Forward impedance |
with resistance | 0.0118 | 0.0054 |
without resistance | 0.0063 | 0.0063 |
Nozzles | Increase of kinetic energy |
with flow resistance at bubble dividing position | 1.73 nJ |
with flow resistance not at bubble dividing position | 2.28 nJ |
without flow resistance | 2.85 nJ |
Nozzle | Response frequency |
Embodiment | 6.1 kHz |
Comparison Example | 4.8 kHz |
Distance (T) between heater end and resistance element (microns) | Min. area of resistance element (µm2) and (% to nozzle area) |
0 - 20 | 414 (38 %) |
21 - 50 | 327 (30 %) |
Distance between heater rear end and resistance (µm) | Min. flow passage area (µm2) | |
A | B | |
0 - 20 | 621 (54 %) | |
21 - 50 | 875 (50 %) | 529 (46 %) |
51 - 70 | 613 (35 %) |
Claims (16)
- An ink jet recording head, comprising: an ejection outlet (2) for ejecting ink; an ink passage (1) provided corresponding to the ejection outlet; thermal energy generating means (3) to heat the ink in the passage to create a bubble; a flow resistance element (4), disposed in said ink passage upstream of said thermal energy generating means (3) with respect to the direction of flow of the ink;
characterised in that said flow resistance element (4) reduces the width of the passage (1), and the ratio of the width of a reduced ink passage region defined by said flow resistance element to the width of said thermal energy generating means is greater than or equal to 3:5 and less than or equal to 19:20, whereby said reduced ink passage region is effective to divide the bubble. - An ink jet recording head comprising an ejection outlet (2) for ejecting ink; an ink passage (1) provided corresponding to the ejection outlet; thermal energy generating means (3) to heat the ink in the passage to create a bubble; a flow resistance element (4), disposed in said ink passage upstream of said thermal energy generating means (3) with respect to the direction of flow in the ink;
characterized in that said flow resistance element (4) reduces the cross-sectional area of the passage (1), and the ratio of the cross-sectional area of the reduced ink passage area defined by said flow resistance element (4) to the cross-sectional area of a portion of the passage other than a portion where said flow resistance element (4) is disposed is greater than or equal to 27:100 and less than or equal to 11:20, whereby said reduced ink passage region is effective to divide the bubble. - A recording head as claimed in claim 2, wherein said flow resistance element (4) reduces the width of the passage (1) and the ratio of the width of the reduced ink passage area defined by said flow resistance element (4) to the width of a portion of the passage other than a portion where said flow resistance element (4) is disposed is greater than or equal to 27:100 and less than or equal to 11:20, whereby said reduced ink passage region is effective to divide the bubble.
- A recording head as claimed in claim 2, wherein said flow resistance element (4) reduces the height of the passage (1) and the ratio of the height of the reduced ink passage area defined by said flow resistance element (4) to the height of a portion of the passage other than a portion where said flow resistance element (4) is disposed is greater than or equal to 27:100 and less than or equal to 11:20, whereby said reduced ink passage region is effective to divide the bubble.
- A recording head as claimed in claim 4 characterised in that said flow resistance element comprises two opposing portions on two surfaces of said ink passage, one of said surfaces having said thermal energy generating means, and the ratio of the cross-sectional area of the reduced ink passage area defined by said flow resistance element (4) to the cross-sectional area of a portion of the passage other than a portion where said flow resistance element (4) is disposed is greater than or equal to 27:100 and less than or equal to 11:20, whereby said reduced ink passage region is effective to divide the bubble.
- A recording head as claimed in claim 1, 2 or 3 characterised in that said flow resistance element comprises two opposing portions on two surfaces of said ink passage not having said thermal energy generating means.
- A recording head as claimed in claim 5 or 6, characterised in that the opposite portions have acute angle portions to minimize the flow area.
- A recording head as claimed in any one of claims 1 to 7, characterised in that said flow resistance element (4) provides a flow impedance in the upstream direction and a flow impedance in the downstream direction, wherein the upstream impedance is larger than the downstream impedance.
- A recording head as claimed in any one of claims 1 to 8, characterised in that a minimum flow area of said flow resistance element (4) is disposed not less than 5 µm and not more than 55 µm upstream of said thermal energy generating means (3).
- A recording head as claimed in claim 9, characterised in that a minimum flow area of said flow resistance element (4) is disposed not less than 25 µm and not more than 42 µm upstream of the thermal energy generating means (3).
- A recording head as claimed in claim 1, 2, 3 or 4 characterised in that the ink passage has the flow resistance element at its central position.
- A recording head as claimed in claim 1, 2, 3 or 4, characterized in that said ink passage is provided with said flow resistance element on a surface having said thermal energy generating element.
- A recording head as claimed in claim 1, 2, 3 or 4, characterised in that said ink passage has said flow resistance element on a surface opposed to a surface having said thermal energy generating element.
- An ink jet recording apparatus having a recording head as claimed in any one of claims 1 to 13, said head including plural ejection outlets for ejecting ink, ink passages corresponding to the ejection outlets, and plural thermal energy generating means.
- A recording apparatus as claimed in claim 14, characterised in that signal supplying means are provided for driving said thermal energy generating means, wherein said plural thermal energy generating means are divided into plural groups thereof, and said signal supplying means sequentially drives a group of said thermal energy generating elements before a maximum size of the bubble in the previously supplied groups of said thermal energy generating elements is reached.
- A method for printing an image on a recording medium which comprises applying ink to the recording medium by means of apparatus as claimed in claim 14 or 15.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97200079A EP0770485B1 (en) | 1990-06-15 | 1991-06-17 | Ink jet recording apparatus and driving method therefor |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP157005/90 | 1990-06-15 | ||
JP15700490 | 1990-06-15 | ||
JP157004/90 | 1990-06-15 | ||
JP15700590 | 1990-06-15 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97200079A Division EP0770485B1 (en) | 1990-06-15 | 1991-06-17 | Ink jet recording apparatus and driving method therefor |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0461940A2 EP0461940A2 (en) | 1991-12-18 |
EP0461940A3 EP0461940A3 (en) | 1992-08-05 |
EP0461940B1 true EP0461940B1 (en) | 1998-12-09 |
Family
ID=26484596
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97200079A Expired - Lifetime EP0770485B1 (en) | 1990-06-15 | 1991-06-17 | Ink jet recording apparatus and driving method therefor |
EP91305470A Expired - Lifetime EP0461940B1 (en) | 1990-06-15 | 1991-06-17 | Ink jet recording apparatus and driving method therefor |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97200079A Expired - Lifetime EP0770485B1 (en) | 1990-06-15 | 1991-06-17 | Ink jet recording apparatus and driving method therefor |
Country Status (5)
Country | Link |
---|---|
US (3) | US6244693B1 (en) |
EP (2) | EP0770485B1 (en) |
AT (2) | ATE174267T1 (en) |
DE (2) | DE69132396T2 (en) |
ES (2) | ES2124221T3 (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0770485B1 (en) * | 1990-06-15 | 2000-08-30 | Canon Kabushiki Kaisha | Ink jet recording apparatus and driving method therefor |
JPH071729A (en) * | 1990-12-20 | 1995-01-06 | Xerox Corp | Thermal ink jet print head |
US5594481A (en) * | 1992-04-02 | 1997-01-14 | Hewlett-Packard Company | Ink channel structure for inkjet printhead |
US5751317A (en) * | 1996-04-15 | 1998-05-12 | Xerox Corporation | Thermal ink-jet printhead with an optimized fluid flow channel in each ejector |
US6302518B1 (en) | 1996-06-07 | 2001-10-16 | Canon Kabushiki Kaisha | Liquid discharging head, liquid discharging apparatus and printing system |
AU5144300A (en) * | 1999-05-21 | 2000-12-12 | Board Of Trustees Of The Leland Stanford Junior University | Microfluidic devices and methods for producing pulsed microfluidic jets in a liquid environment |
US6705691B2 (en) * | 2000-01-14 | 2004-03-16 | Canon Kabushiki Kaisha | Ink-jet printing method and ink-jet printer |
US6964469B2 (en) * | 2001-09-28 | 2005-11-15 | Fuji Photo Film Co., Ltd. | Liquid droplet ejection apparatus and ink jet recording head |
US6896360B2 (en) * | 2002-10-31 | 2005-05-24 | Hewlett-Packard Development Company, L.P. | Barrier feature in fluid channel |
EP1620147A4 (en) * | 2003-04-21 | 2008-06-11 | Corium Internat Inc | Apparatus and methods for repetitive microjet drug delivery |
US20040253185A1 (en) * | 2003-06-12 | 2004-12-16 | Atrium Medical Corp. | Medicated ink |
US20050145715A1 (en) * | 2003-12-31 | 2005-07-07 | Koegler John M.Iii | Drop ejector for ejecting discrete drops of liquid |
US7273270B2 (en) * | 2005-09-16 | 2007-09-25 | Eastman Kodak Company | Ink jet printing device with improved drop selection control |
KR100754392B1 (en) * | 2005-12-27 | 2007-08-31 | 삼성전자주식회사 | Ink path structure and inkjet printhead having the same |
JP2009137173A (en) * | 2007-12-06 | 2009-06-25 | Canon Inc | Liquid discharge head and recording device |
EP2662217A1 (en) * | 2012-05-10 | 2013-11-13 | OCE-Technologies B.V. | Method for operating an inkjet printhead |
JP2018079671A (en) | 2016-11-18 | 2018-05-24 | キヤノン株式会社 | Liquid discharge head, liquid discharge device, and control method |
JP7277176B2 (en) | 2019-02-28 | 2023-05-18 | キヤノン株式会社 | Ultra-fine bubble generation method and ultra-fine bubble generation device |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
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CA1127227A (en) | 1977-10-03 | 1982-07-06 | Ichiro Endo | Liquid jet recording process and apparatus therefor |
JPS5936879B2 (en) | 1977-10-14 | 1984-09-06 | キヤノン株式会社 | Thermal transfer recording medium |
JPS54100169A (en) | 1978-01-24 | 1979-08-07 | Matsushita Electric Works Ltd | Apparatus for use with fluorescent lamp |
US4330787A (en) | 1978-10-31 | 1982-05-18 | Canon Kabushiki Kaisha | Liquid jet recording device |
JPS55100169A (en) * | 1979-01-25 | 1980-07-30 | Canon Inc | Liquid injection recording head |
JPS55109672A (en) * | 1979-02-15 | 1980-08-23 | Canon Inc | Ink jet recording method |
US4345262A (en) | 1979-02-19 | 1982-08-17 | Canon Kabushiki Kaisha | Ink jet recording method |
US4463359A (en) | 1979-04-02 | 1984-07-31 | Canon Kabushiki Kaisha | Droplet generating method and apparatus thereof |
US4313124A (en) | 1979-05-18 | 1982-01-26 | Canon Kabushiki Kaisha | Liquid jet recording process and liquid jet recording head |
US4338611A (en) * | 1980-09-12 | 1982-07-06 | Canon Kabushiki Kaisha | Liquid jet recording head |
US4558333A (en) | 1981-07-09 | 1985-12-10 | Canon Kabushiki Kaisha | Liquid jet recording head |
AU567487B2 (en) | 1982-01-25 | 1987-11-26 | Sony Corporation | Thermal printer |
JPS59123670A (en) | 1982-12-28 | 1984-07-17 | Canon Inc | Ink jet head |
JPS59138461A (en) | 1983-01-28 | 1984-08-08 | Canon Inc | Liquid jet recording apparatus |
JPS59138460A (en) | 1983-01-28 | 1984-08-08 | Canon Inc | Liquid jet recording apparatus |
US4502060A (en) * | 1983-05-02 | 1985-02-26 | Hewlett-Packard Company | Barriers for thermal ink jet printers |
JPS6071260A (en) | 1983-09-28 | 1985-04-23 | Erumu:Kk | Recorder |
JPS6140160A (en) * | 1984-07-31 | 1986-02-26 | Canon Inc | Recording head |
JPS6137438A (en) * | 1984-07-31 | 1986-02-22 | Canon Inc | Ink jet recording head |
US4723136A (en) * | 1984-11-05 | 1988-02-02 | Canon Kabushiki Kaisha | Print-on-demand type liquid jet printing head having main and subsidiary liquid paths |
JPS62152860A (en) * | 1985-12-27 | 1987-07-07 | Canon Inc | Liquid jet recording head |
DE3882543T2 (en) * | 1987-01-29 | 1994-01-20 | Matsushita Electric Ind Co Ltd | Thermal transfer printer with resistance band. |
US4882595A (en) | 1987-10-30 | 1989-11-21 | Hewlett-Packard Company | Hydraulically tuned channel architecture |
CA1300974C (en) * | 1987-10-30 | 1992-05-19 | Kenneth E. Trueba | Hydraulically tuned channel architecture |
DE3885238T2 (en) * | 1987-11-27 | 1994-03-03 | Canon Kk | Ink jet recorder. |
EP0423797B1 (en) * | 1989-10-19 | 1996-03-06 | Canon Kabushiki Kaisha | Driving device for recording head and recording apparatus having said device |
EP0770485B1 (en) * | 1990-06-15 | 2000-08-30 | Canon Kabushiki Kaisha | Ink jet recording apparatus and driving method therefor |
-
1991
- 1991-06-17 EP EP97200079A patent/EP0770485B1/en not_active Expired - Lifetime
- 1991-06-17 DE DE69132396T patent/DE69132396T2/en not_active Expired - Lifetime
- 1991-06-17 DE DE69130591T patent/DE69130591T2/en not_active Expired - Lifetime
- 1991-06-17 ES ES91305470T patent/ES2124221T3/en not_active Expired - Lifetime
- 1991-06-17 AT AT91305470T patent/ATE174267T1/en not_active IP Right Cessation
- 1991-06-17 ES ES97200079T patent/ES2149541T3/en not_active Expired - Lifetime
- 1991-06-17 AT AT97200079T patent/ATE195904T1/en not_active IP Right Cessation
- 1991-06-17 EP EP91305470A patent/EP0461940B1/en not_active Expired - Lifetime
-
1993
- 1993-10-25 US US08/140,963 patent/US6244693B1/en not_active Expired - Lifetime
-
2000
- 2000-04-28 US US09/560,342 patent/US6439692B1/en not_active Expired - Fee Related
- 2000-05-15 US US09/570,818 patent/US6341849B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69130591D1 (en) | 1999-01-21 |
EP0770485B1 (en) | 2000-08-30 |
EP0461940A2 (en) | 1991-12-18 |
EP0461940A3 (en) | 1992-08-05 |
ATE195904T1 (en) | 2000-09-15 |
EP0770485A2 (en) | 1997-05-02 |
DE69132396D1 (en) | 2000-10-05 |
US6244693B1 (en) | 2001-06-12 |
ES2149541T3 (en) | 2000-11-01 |
ES2124221T3 (en) | 1999-02-01 |
US6341849B1 (en) | 2002-01-29 |
DE69130591T2 (en) | 1999-05-12 |
ATE174267T1 (en) | 1998-12-15 |
US6439692B1 (en) | 2002-08-27 |
EP0770485A3 (en) | 1997-06-11 |
DE69132396T2 (en) | 2001-02-01 |
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